1271494640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:427

約数の個数: 160

約数和(自身を含む): 3305788416

約数和(自身を除く): 2034293776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 173, 185, 191, 208, 260, 296, 346, 370, 382, 481, 520, 592, 692, 740, 764, 865, 955, 962, 1040, 1384, 1480, 1528, 1730, 1910, 1924, 2249, 2405, 2483, 2768, 2960, 3056, 3460, 3820, 3848, 4498, 4810, 4966, 6401, 6920, 7067, 7640, 7696, 8996, 9620, 9932, 11245, 12415, 12802, 13840, 14134, 15280, 17992, 19240, 19864, 22490, 24830, 25604, 28268, 32005, 33043, 35335, 35984, 38480, 39728, 44980, 49660, 51208, 56536, 64010, 66086, 70670, 83213, 89960, 91871, 99320, 102416, 113072, 128020, 132172, 141340, 165215, 166426, 179920, 183742, 198640, 256040, 264344, 282680, 330430, 332852, 367484, 416065, 429559, 459355, 512080, 528688, 565360, 660860, 665704, 734968, 832130, 859118, 918710, 1222591, 1321720, 1331408, 1469936, 1664260, 1718236, 1837420, 2147795, 2445182, 2643440, 3328520, 3436472, 3674840, 4295590, 4890364, 6112955, 6657040, 6872944, 7349680, 8591180, 9780728, 12225910, 15893683, 17182360, 19561456, 24451820, 31787366, 34364720, 48903640, 63574732, 79468415, 97807280, 127149464, 158936830, 254298928, 317873660, 635747320, 1271494640]

約数ペア:

[(1, 1271494640), (2, 635747320), (4, 317873660), (5, 254298928), (8, 158936830), (10, 127149464), (13, 97807280), (16, 79468415), (20, 63574732), (26, 48903640), (37, 34364720), (40, 31787366), (52, 24451820), (65, 19561456), (74, 17182360), (80, 15893683), (104, 12225910), (130, 9780728), (148, 8591180), (173, 7349680), (185, 6872944), (191, 6657040), (208, 6112955), (260, 4890364), (296, 4295590), (346, 3674840), (370, 3436472), (382, 3328520), (481, 2643440), (520, 2445182), (592, 2147795), (692, 1837420), (740, 1718236), (764, 1664260), (865, 1469936), (955, 1331408), (962, 1321720), (1040, 1222591), (1384, 918710), (1480, 859118), (1528, 832130), (1730, 734968), (1910, 665704), (1924, 660860), (2249, 565360), (2405, 528688), (2483, 512080), (2768, 459355), (2960, 429559), (3056, 416065), (3460, 367484), (3820, 332852), (3848, 330430), (4498, 282680), (4810, 264344), (4966, 256040), (6401, 198640), (6920, 183742), (7067, 179920), (7640, 166426), (7696, 165215), (8996, 141340), (9620, 132172), (9932, 128020), (11245, 113072), (12415, 102416), (12802, 99320), (13840, 91871), (14134, 89960), (15280, 83213), (17992, 70670), (19240, 66086), (19864, 64010), (22490, 56536), (24830, 51208), (25604, 49660), (28268, 44980), (32005, 39728), (33043, 38480), (35335, 35984)]